Motor.



No. 675,497. Patented June 4, l90l. C. J. PDLLOCK.

MOTOR.

(Application filed Jun. 2, 1901.)

(No Model.) 2 Sheeta-$heet l.

2 Sheets-Sheet 2.

Patented lune 4, IBM.

C. I J. PULLUCK. MOTOR.

(Apylication filed Jan. 2, 1901.)

(No Modal.)

UrviTnn STATES PATENT OFFICE.

CALVIN JAY POLLOCK, OF KIRKSVILLE, MISSOURI.

MOTOR.

SPECIFICATION formingpart of Letters Patent No. 675,497, dated June 4,1901. Application filed January 2, 1901. Serial No. 41,757. (No model.)

To (all whom it may concern:

Beitknown that I, CALVIN JAY POLLOCK, a

citizen of the United States, residing at Kirks-- ville, in the countyof Adairand State of Missouri, have invented a new and useful Motor, ofwhich the following is a specification.

The invention relates to improvements in motors.

The object of the present invention is to improve the construction ofmotors and to provide a simple and comparatively inexpensive onedesigned especially for operating an aircompressor and provided withrotary weights and adapted to raise the weights on the ineffectivestroke of the air-compressor, so that the weights will fall or movedownward on the effective stroke of the air-compressor, whereby thepower will be applied most efiectively to the resistance encountered.

The invention consists in the construction and novel combination andarrangement of parts hereinafter fully described, illustrated in theaccompanying drawings, and pointed out in the claims hereto appended.

In the drawings, Figure 1 is a side elevation, partlyin section, of amotor constructed in accordance with this invention. Fig. 2 is a planview. Fig. 3 is a vertical sectional View on the line 3 3 of Fig. 2.Fig. 4 is a detail sectional view illustrating the construction of theadjustable weights.

Like numerals of reference designate corresponding parts in allthefigures of the drawings.

1 designates a supportingframe, preferably composed of two approximatelytriangular sides 2, connected by top and bottom transverse rods 8 and4c, and the said frame is also provided with central vertical uprights5, located at opposite sides of the frame and secured to the triangularsides at the apex and base, as clearly indicated in Figs. 1 and 2 of thedrawings. \Vithin the main or supporting frame 1, which may beconstructed in any other suitable manner, is hung an oscillating frame6, consisting of an oblong lower portion 7 and a pair ofinverted-V-shaped hangers 8, secured at the lower ends of the sides tothe oblong lower portion of the oscillating frame and pivoted at theirtops or apexes by suitable fastening devices 9 to the inner faces of theuprights 5 of the supporting-frame. Within the oscillating frame aremounted large gear-wheels l0 and 11, provided at their peripheries withspur-teeth and meshing with each other at the center of the oblong lowerportion or body of the oscillating frame and mounted upon transvereshafts 12 and 13, as clearly illustrated in Fig. 2 of the drawings. Thetransverse shaft 13, upon which the gearwheel 11 is mounted, is acrank-shaft and is provided with inner and outer cranks 14 and 15,located at one side of the main frame, and the inner crank 14, whichconsists of a crankbend, is connected with the upper end of a rod orpitman 16. The rod or pitman 16, which is pivoted at its lower end to asuitable bracket 17 of the base of the frame 1, is adapted when thecrank-shaft rotates to cause the suspended frame 6 to oscillate withinthe main frame. The oscillating frame is connected by a pitman 1b withthe piston 19 of an air-compressor 20, whereby air will be compressedwhen the frame 6 is oscillated; but instead of connecting theoscillating frame with a compressor it may be connected with any otherdevice, machine, or machine element to be operated. The bracket 17,which is provided with an offset ear, is suitably secured to the base ofthe adjacent side 2 of the main frame 1.

The outer crank 15 is connected by a pitman 21 with a piston 22 of acylinder 23, which may be operated by steam or any other suitable meansand which furnishes the necessary power for lifting the weightshereinafter described.

The gear-wheels 10 and 11 are provided at opposite sides withradially-disposed guides 21 and 25, having dovetailed ways and receivingadjustable weights 25 and 26, adapted to be moved inward and outwardlongitudinally of the said guides to vary the distance between them andthe centers of the gear wheels, to vary the leverage, and to regulatethe power of the motor. The weights move upward and downwardsimultaneously, and the parts will be so arranged that the upwardmovement of the weights will oceu r on the ineffective stroke of thecompressor and will descend on the effective stroke of the saidcompressor, whereby the power will be applied most effectively to theresistance. The weights are provided with threaded openings and areengaged by longitudinal screws 26, journaled in suitable bearings at theinner and outer ends of the guides and provided at their inner ends withradiallydisposed arms 27, forming a wheel, and adapted to be engaged bygoverning devices 28 and 29, located at opposite sides of the guide andadapted to be controlled by the pressure of the air Within a tank orreservoir. Each adjustable weight is controlled by a pair of governingdevices arranged as clearly illustrated in Fig. 2 of the accompanyingdrawings, and as each pair of governing devices is constructed alike adescription of one set only will be necessary. The governing devices 28and 29 consist of stationary cylinders 30 and 31, provided withreciprocating pistons 32 and 33, adapted to be projected into the pathof the wheel formed by the arms 27, whereby when the gear-wheel isrotated the screw will be given a quarter of a revolution at eachrevolution of the gear-wheel; but the number and arrangement of the arms27 may be varied, if desired. The pistons 32 and 33 are provided at theouter ends of their piston-rods with lateral extensions or arms 34: and35, adapted to engage the arms 27. The outer end of the cylinder 30 isconnected by a suitable tube or pipe 36 with the tank or reservoircontaining the compressed air, and when the pressure therein incident tothe operation I of the motor exceeds a predetermined pressure thecompressed air operating on the head of the piston 32 will force thesame toward the center of the gear-wheel and will carry the piston-rodinto the path of the arms 27 to actuate the screw in one direction formoving the weight inward to decrease the leverage and lessen the powerof the motor. This movement of the piston 32 is inopposition to a coiledspring 37, disposed on the piston-rod and interposed between the innerend of the cylinder 30 and the piston-head, and when the pressure withinthe tank or reservoir becomes reduced or normal the coiled spring willoperate to withdraw the piston-rod out fengagement with or out of thepath of the wheel formed by the arms-27. The other governing device 29has the inner end of its cylinder 31 connected by a tube or pipe 38 withthe reservoir or cylinder, and the pressure of the air when normaloperates on the head of the piston 33 and compresses a coiled spring 39and holds the rod of the piston 33 out of engagement with or out of thepath of the wheel of the screw; but should the pressure within the tankor reservoir become reduced by consumption or otherwise below the normalpoint the piston 33 will be actuated by the coiled spring 39 and will becarried into the path of the wheel of the screw and will actuate thesame and move the weights outward to increase the leverage and theconsequent power of the motor to restore the normal pressure within thetank. As soon as the pressure increases the piston 33 will be moved backout of the path of the arms 27. The coiled spring 39 is disposed on aguide-rod 40, secured at its outer end to the outer end of the cylinder31, and the inner end of the rod is arranged in a longitudinal bore ofthe piston 33, as clearly indicated in Fig. 3 of the drawings. lVhen themotor is in operation, the weights are normally at the outer ends of theguides 21 and 25, and when the pressure within the reservoir reaches apredetermined amount the weights will be automatically moved inward tothe inner ends of the radial guides 2t and 25. As soon as the pressurewithin the reservoir falls below this predetermined amount the governingdevice 29 will cause the weights to be again moved outward to increasethe power of the motor.

The pitrnan 18 is arranged at the center of one end of the oblong loweror body portion of the oscillating frame 6 and the compressor 20 isconnected by a suitable pipe or tube with the tank or reservoir, (notshown,) and as the frame 6 is oscillated the air will be compressedwithin the tank and will control the motor by the devices beforedescribed.

The cylinder 23, which is connected with the outer crank of thecrank-shaft, is located at one side of the main frame, and it may bemounted on the oscillatory frame in any suitable manner, and itoscillates with the frame 6 and'the gearing and furnishes the power forraising the weights.

It will be seen that the motor is simple and comparatively inexpensivein construction, and that the rotary weights which ascend on theinedective stroke of the compressor descend and apply the full force ofthe machine to the compressor on the effective stroke of the same.

\Vhat I claim is- 1. In a machine of the class described, thecombination of an oscillatory frame, a rotary weight mounted on theframe and connected with a fixed support, whereby the said frame will beoscillated when the weight is rotated, and means for rotating the weightand for transmitting motion from the oscillatory frame, substantially asdescribed.

2. In a machine of the class described, the combination of anoscillatory frame, a rotary weight mounted on the oscillatory frame andconnected with a fixed support, whereby the frame will be oscillatedwhen the weight is rotated, said weight being capable of inward andoutward movement toward and from its axis of rotation to vary the power,and means for automatically moving the weight inward and outward,substantially as described.

3. In a machine of the class described, the eombination'of anoscillatory frame, a rotary weight mounted on the frame and connectedwith a fixed support, whereby the frame will be oscillated when theweight is rotated, and a cylinder mounted on the oscillatory frame andhaving a pitman connected with and adapted to rotate the weight,substantially as described.

4. In a machine of the class described, the combination of anoscillatory frame, a rotary weight mounted thereon, means for rotatingthe weight, and a pitman connected with the weight and with the fixedsupport, whereby the frame will be oscillated when the weight isrotated, substantially as described.

5. In a machine of the class described, the combination of a main frame,an oscillatory frame suspended within the main frame, a crank-shaftmounted on the oscillatory frame, a pitman pivotally connected with themain frame and with the crank-shaft, a rotary weight carried by thecrank-shaft, and means for rotating the weight, substantially asdescribed.

6. In a machine of the class described, the combination of anoscillatory frame, gearwheels mounted on the oscillatory frame andprovided with weights, and meshing with each other, connections betweenthe gearing and a fixed support, whereby the frame will bepscillatedwhen the gearing is operated, and means for rotating the weights,substantially as described.

7. In a machine of the class described, the combination of anoscillatory frame, a wheel mounted 011 the frame and provided with aradial guide, a weight mounted in the guide and adapted to be movedinward and outward, a screw connected with the weight and adapted toactuate the same, means for connecting the wheel with a fixed support,whereby the frame will be oscillated when the wheel is rotated, andgoverning devices for automatically rotating the screw, substantially asdescribed.

8. In a machine of the class described, the combination of anoscillatory frame, a pair of gear-wheels meshing with each other andmounted on the frame, and provided with weights arranged to move inwardand outward radially of the said wheels, screws connected with theweights for actuating the same and provided with arms, andautomatically-operating governing devices adapted to engage thearms,substantially as described.

9. In a machine of the class described, the combination of a main frame,an oscillatory frame suspended within the main frame, a pair ofgear-wheels meshing with each other and mounted on the oscillatory frameand provided with weights, at crank-shaft connected with one of thegear-wheels, apitman connecting the crankshaft with the main frame, anda cylinder mounted on the oscillatory frame and having a pistonconnected with the crank-shaft, substantially as de scribed.

10. In a machine of the class described, the combination of anoscillatory frame, a wheel mounted on the oscillatory frame and providedwith a movable weight, connections between the wheel and a fixed supportfor oscillating the frame, a screw for actuating the weight, and a pairof governing devices designed to be operated by the pressure within areservoir and consisting of cylinders located at opposite sides of thescrew and provided with pistons for engaging the same, pipes connectedwith the cylinders at the ends thereof, one of the pipes being locatedat the inner end of one cylinder and at the outer end of the other, andthe springs connected with and engaging the pistons, substantially as described.

11. In a machine of the class described, the combination of anoscillatory frame, a rotary weight, a screw connected with and adaptedto move the weight inward and outward toward and from its axis ofrotation, and a pair of governing devices adapted to engage the screwand composed of cylinders designed to be connected with a reservoir, andhaving pistons arranged to engage the screw, and springs for actuatingthe pistons, substantially as and for the purpose described.

12. In a machine of the class described, the combination of anoscillatory frame, a rotar weight mounted on the frame and capable ofinward and outward movement toward and from its axis of rotation,connections between the weight and a fixed support for oscillating theframe, a screw for moving the weightinward and outward, and a pair ofgoverning devices comprising cylinders having pistons arranged to engagethe screw, pipes connected with the cylinders and designed to beconnected with a reservoir, one of the pipes being arranged to cause anexcess of pressure to move the piston outward to engage the screw, and aspring for actuating the other piston when the pressure is reduced,substantially as described.

13. Ina machine of the class described, the combination of anoscillatory frame, a rotary weight mounted thereon and capable of inwardand outward movement toward and from its axis of rotation, connectionsbetween the weight and a fixed support for oscillating the frame, ascrew for moving the weight in ward and outward, and a pair of governingdevices adapted to engage the screw to rotate the same, and comprisingcylinders designed O to be connected wltn a reservoir and provided withpistons, one of the pistons being ar ranged to be actuated byan excessof pressure to cause it to engage the screw, and the other piston beingheld out of engagement by such pressure, and means for actuating thelatter piston for causing the same to engage the screw when the pressureis reduced, substantially as described.

14. In a machine of the class described, the combination of a mainframe, an oscillatory frame suspended within the main frame, gearwheelsmeshing with each otherand mounted on the oscillatory frame, radialguides located at the opposite faces of the gear wheels, weights mountedon the guides, a crank-shaft connected with one of the gear-wheels, apitman connected with the crank-shaf t and with the main frame, acylinder mounted on the oscillatory frame and having a piston connectedwith the crank-shaft, screws engaging the Weights and provided witharms, and the governing devices arranged in pairs at opposite sides ofthe machine and comprising the cylinders 30 and 31, the pistons 32 and83 arranged at opposite sides of the screw and adapted to be projectedinto the path of the arms, pipes connected with the outer end of thecylinder 30 and the inner end of the cyl- IO inder 31, and springsengaging the piston and adapted to move the piston 32 backward and thepiston 33 forward, substantially as and for the purpose described.

In testimony that I claim the foregoing as my own I have hereto affixedmy signature in 15 the presence of two Witnesses. I

' CALVIN JAY POLLOCK. Witnesses: II. F. RILEY,

J. M. WALKER.

